GDB kind of doesn't work on macOS Sierra

Question

It is a problem that appeared when I first updated to macOS Sierra yesterday.

GDB itself is running OK. However, somehow, it cannot run my program. When I type \'run

Answer 1

Multiple solutions that worked for Sierra 10.12.0 do not work with Sierra 10.12.1. With this version, you need an updated version of GDB (patch committed at FSF on Nov 9), in addition to disabling spawning of shell with 'set startup-with-shell off'. See instructions at http://blog.adacore.com/gnat-on-macos-sierra